Joseph Williams, M.D
NPI 1659473379 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Williams, M.D is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1659473379).
Provider details
- NPI number
- 1659473379
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 162141 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Empagliflozinbrand: Jardiance | 26 |
| Amlodipine Besylate | 25 |
| Dulaglutidebrand: Trulicity | 22 |
| Metformin Hcl | 18 |
| Atorvastatin Calcium | 17 |
| Losartan Potassium | 13 |
| Sitagliptin Phosphatebrand: Januvia | 13 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joseph Williams's NPI number?
- Joseph Williams's National Provider Identifier (NPI) is 1659473379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Williams's specialty?
- Joseph Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Williams located?
- Joseph Williams's practice location on file with NPPES is 451 Clarkson Ave, Brooklyn, NY 11203-2057.
- What is Joseph Williams's phone number?
- The practice phone number listed in the NPPES registry for Joseph Williams is (718) 245-3448.
- Does Joseph Williams accept Medicare?
- Joseph Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Williams's NPI active?
- Yes — Joseph Williams's NPI (1659473379) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.